They first appeared on the runways of Chanel, Chloe, Yves Saint Laurent, and Hermes for spring 2010--typically tiny knickers fashioned from a material usually reserved for cozy fall coats and late-winter pants and blazers.

...and the trend finally trickled down to cheap and chic stores like Zara and Topshop:

So, what do you ladies think of this look? Is it completely impractical (ie, sticking to your seat in the middle of a May heatwave), or a smart and stylish new piece you're wardrobe has been sorely missing? Would you wear leather shorts? What do you think of the celebs who are rocking 'em here? A Do or a Don't? Vote now, then discuss!